Casement-window adjuster.



R. C. SPENCER, JR. CASEMENT WINDOW ADJUSTER.

APPLIGATION FILED JULY e, 191s.

1,1 12,393, Patented Sept. 29. 1914,

.3c j :i u 7 Witness 63 [reuen/LOP W jfobe bewege/7? A torn/@ys PATENT OFFICE.

ROBERT C. SPENCER, JR., OF RIVER FOREST, ILLINOIS.

CASEMENT-WINDOW ADJUSTER.

Specification of Letters Patent.

Application mea July 9,1913. serial No. 777,991.

To aZZ whom it may concern Be it known that I, ROBERT C. SPENCER J r., a citizen of the United States, residing at River Forest, in the county of Cook and State of Illinois, have invented ra certain new and useful Improvement in CasementlVindow Adjusters, of which the following is a full, clear concise, and exact description, reference being had to the accompanying drawings, forming a part of this specification.

My invention relates to easement windows and is directed particularly toward an adjuster and fastener by means of which the window may be swung upon its .hinges and secured in any desired open position or in its closed position.

I am aware of the existence of easement window adjusters in the prior art, but my invention contem lates certain 'improvements whereby a vantages not secured in the prior structures are derived. In devices of this kind, it is usual to provide a pivoted lever. one end of which forms an operating handle and the other end of which is mechanically connected with the swinging window, and it is necessary, in these prior art instances, to secure the adjuster in the desired position either by some clamping means at or near the pivot of the lever or by some clamping means which must be manipulated at the connection between the lever and the window. Each of these forms has its disadvantages. In the lformlin which the clamping takes place at or near the pivot of the operating lever, the triangle determined by the hinge point of the window, the pivot of the lever, and the clamping point, has very small area, if, indeed, it has any area at alland it is obvious from a physical standpoint that the holding strength of the clamping means is largely dependent upon the area of this triangle.' On the other hand, in the cases wherein the clamping takes place at the mechanical connection between the window and the operating'lever, the triangular relation is satisfactory, but it is invariably necessary to have complete access to the clamping means, and this prevents the use of a screen or involves the removal of the screen every time the window is opened or adjusted, with the consequent annoyance and discomture.

My invention provides means whereby the locking may take place at the point of mechanical contact between the window and the operating lever, which, of course, is on the outside or window side of the. screen, but 1s secured by manipulation of an operating hand piece inside the screen, thus making it possible to swing, adjust, and lock the window, without removing the screen and at the same time have a locking means which will hold the window securely against tampering when the window is closed and against a high wind when the window is open.

A further feature of advantage in the structure of my invention is the fact that it may be applied to either a right-hand or lefthand window and that the handle portion, while it may be placed in perfect mechanical connection with the operating lever, is easily removable and interchangeable so that any style of architecture in which a room is finished may be' harmonized with by provid- 111g the proper handle, itbeing understood that v'the handle is the only thing substantially open to view from the interior of the room.

`I shall describe my invention by reference to a specific structure which embodies the features above outlined and shall draw claims commensurate with the scope of my invention. In the accompanying drawing, Figure 1 is a plan view of my improved window adjuster, showing its application to a window which, `with the immediately associated parts, 1s necessarily shown in horizontalvsection in order to clearly reveal the structure and operation of my device; Fig. 2 is a sectional view taken on the plane of the line 2-2 of Fig. l, looking in the direction indicated by the arrows; and Fig. 3 is a side elevational view of the structure showing certain parts in cross-section in order that the construction and operation may be clear.

Like reference characters are ap lied to the lsame parts throughout the varlous figures.

The wall in which the window is located is illustrated at 1 and the jamb upon which the Window is mounted is illustrated at 2. This jamb is supplemented on the outside by a casing 3 and upon the inside by a casing 4. The sill is illustrated at 5 and the finished frame of the interior casing is illustrated at 6.

The window frame is illustrated at 7 and Patented Sept. 29, 1914.

' accommodatey the pivot andthe hub of the operating member. The pivot member is clearly illustrated at 13 in Fig. 3 and itrcomprises a somewhat barrel-shaped stud:A 13 with a flange y14 which is adapted to be secured to the sill of the frame 6 by means of screws 15, 15. The upper surface of this .flange is convex, -for a purpose which will be pointed out presently, and the axis of the stud is conveniently coincident with the plane of the center line of the screen. An operating lever 16 is provided with a hub 17 which has a central bore into which the stud 13 is adapted to pass, the hub being retained upon the stud, but not clamped in place, by means of a large headed screw 18.

The load arm of the lever 16 is provided with a longitudinal 'rib 19 upon the top and the bottom thereof and stop notches 20, 20 are providedin each of these ribs, those on the upper .rib registering with those on the lower. The load arm 19 passes through a T-shaped opening 21 in a bracket`22 firmly secured upon the inner side .of the lower rail of the window frame 7.

The power arm of the lever 16 is'of considerably less thiclmess than the hub and is' located centrally with reference to the hub. This power arm is provided with a stud 22 which has a reduced portion threaded into the lever. A handle 23 rovided with a slot 24 is mounted upon tlge power arm of.

the lever so that the stud 22 passes through the slot, but the head of the slot, due to the clamping action at the shoulder of the stud, does not clamp the handle tightly in place. The inner end of the handle 23 is-adapted to enter a notch 25 in the hub, and it will be seen that the handle may thus be rigidly con nected with the power arm of the lever by means of the stud and the engagement in the notch 25, or it may be withdrawn, due to the length of the slot 24, and turned inwardly, as illustrated in dot-and-dash lines,-

in order that it need not normally extend into the room.

It will be noted that the notch 25 is on the upper side of the hub. The under side of the hub is rovided with a similar notch 25 and in this notch a leaf spring 26 extends, this leaf spring being secured to the under side of the power arm of the lever and bearing down upon the upper surface of the ange 14 of the pivot member.

It will be noted that the mannerin which the hub 17 is mounted upon the pivot 13 and the form of the pivot member makes it possible to rock the lever back and forth upon thel pivot, that is, within certain limits it amounts to a universal joint. The normal position of the arrangement is with thc load ,and this will raise the lever out of contact with the bracket 22, as illustrated in dotted lines in Fig. 3. While the lever is in the position shown in full lines in Fig. 3, that is, its normal position, the engagement between the stop notches 20 and the bracket 22 isa rigid locking engagement, and the parts are held in this normal position by the overbalancing weight of the load arm of the lever, and the action of the spring 26. When, as before stated, one bears down upon the handle 23, while it is in its operative condition, as shown in Fig. 1, the lever is raised out of its locking engagement with the window and the lever is free to be swung over Vtoward the positions illustrated in dotted lines. During this movement of the lever, the lower arm of the lever slides through the T-shaped slot 21 in the bracket 22 until the desired position of the window is reached. And then the lever is once more allowed to come down into its locking engagement with the bracket. It will be seen that all this manipulation may be had without removing the screen and it will, further, be seen that the triangle determined by the hinge of the window, the pivot of the lever, and the locking point at the bracket 22, is a triangle of considerable area and the locking will, therefore, be of great eliciency.

It will be noted that the form of the lever is such that it may be used either at the right-hand side of the lever or the left-hand side, the locking notches being disposed on both sides, and the hub being provided with a notch for the receptionof the end of the operating handle on both sides of the short power arm. Furthermore, the handle 23 may be easily removed and replaced by some other. Since it is the only part of the structure which is substantially exposed in the interior of the room, it might be desirable to provide a handle which will correspond with the interior architecture and decoration. The end of the lever 19 is provided with a stop piece 19', which determines the extreme position of thc window, as illustrated in the farthermost position in Fig. 1.

I claim as new and Vdesire to secure by Letters Patent:

1. In .a easement window adjuster, the combination of a strut lever adapted to be pivoted at one end to the frame of a. easeone end to the frame of a easement window at a point between the inside and the outside planes of the window frame, an operating handle for said main operating lever adapted to extend inwardly from the point at which the main operating lever is pivoted, a bracket member adapted to be attached to the -sash of a easement window and having sliding connection with said ,main oper.- ating lever, and locking means associated with said sliding connection, said locking' means being operated from said handle.

3. In combination, a easement window adjuster comprising a pivot member, a lever mounted upon said pivot member, an o ating handle extending from said lever, and a bracket through which said lever may slide and' with which it may make locking engagement.

4. In combination, a easement window adjuster comprising a pivot member, a lever mounted upon said pivot member, an operating handle extending from said lever, and a bracket through which said lever may slide and with which it may make locking engagement by manipulation of said handle.

5. In combination, a easement window adjuster comprising a pivot member, a lever mounted uponv said pivot member, an operating handle for said lever, and a bracket having an opening through which said lever may pass lengthwise, said lever having notches therein in which a portion of the bracket may engage.

6. In combination, a easement window adjuster comprising a pivot member, aA lever mounted upon said pivot member, an operating handle for Said lever, and a bracket having an opening through which said lever may pass lengthwise by horizontal swinging of said handle, said lever having notches therein in which la portion of the bracket may engage and be removed by vertical swinging of said handle.

7. In combination, a easement window adjuster comprising a vbarrel-shaped pivot member, lever mounted upon said pivot .memben an operating handle for said lever,

and a bracket having an opening through which said lever may pass lengthwise by horizontal swinging "of said handle, said lever having notches therein in which a por- Per# tion of the bracket may engage and be removed by vertical swinging of said handle.

8. In combination, a easement window adjuster, comprising a barrel-shaped pivot member, a lever mounted upon said pivot member, an operating handle for said lever, a bracket having an opening through which said lever may pass lengthwise by horizontal swinging of said handle, said lever having notches 'therein in which a portion of the bracket may engage and be removed by vertical swinging of said handle, and meanstending to keep said lever` and said bracket in engagement.

9. In combination, la easement window adjuster comprising a pivot member, a lever mounted upon said pivot member, an operating handle extending from said lever, a

bracket through which said lever may slide and with which it may make locking engagement, and means tending to keep said leiter and bracket in such locking engagement, said lever being removed from such engagement by manipulation of said handle.

10. In combination, a easement .window adjuster comprising a pivot member, a lever mounted upon said pivot member, a removable operating handle extending from said lever, and a bracket through which said lever may slide and with which it may make locking engagement.

11. In combination, a easement window adjustercomprising a pivot member, a lever mounted upon said pivot member, an operating handle extending from said lever, said handle being capable 'of an operative and an inoperative -position relative to said lever, and a bracketl through. which said lever may slide and vwith which it may make locking engagement.

l2. In combination, a easement window adjuster comprising a pivot member, a hub mounted on said pivot member, a lever extending from said hub, a stud extending radially from the middle of said hub, a notch in said hub above and'below said stud, a handle having a slot, a screw extending through said slot into said stud, the end of said handle resting in one of said notches, and a bracket throughwhich said lever may pass, said lever having notches upon the top and bottom thereof in any of which a part of said bracket may engage.

13. In a easement window adjuster, the combination of a pivot stud adapted to be mounted rigidly upon thelsill of a window trame, a bracket member adapted to be mounted rigidly upon the sashv of a easement Window, a main operating lever pivotally mounted upon the said pivot stud, means for locking the main operating lever to the bracket member at different points along the length of the lever, and an operating handle independent of the main operating lever and of said bracketA member for swinging said operating lever and for controlling the means for locking the lever to the bracket member.

14. In combination, a kcasement window adjuster comprising a pivot member, a hub mounted on said pivot member, a lever extending from said hub, means for connecting said lever with the window a stud extending radially `from the middle of said hub, a notch in said hub above and below said stud, a handle having a slot, a screw extending through said slot into said stud, the end of said handle resting in one of said notches when the adjuster -is used with a right-hand windowvand -in the other notch when the adjuster is `used with a left-hand window.

15. In combination, a casement window adjuster, f said casement window adjuster comprising a pivot member, a hub mounted on said pivot member, a lever extending from said hub, means for connecting said lever tothe window, a stud extending radially from. said hub, a notch in said hub above and below said stud, a handle having a slot, a screw extending through said slot into said stud, the end of said handle resting in one ofsaid notches, and a leaf spring carried by the stud extending into the other notch and bearing against the lower portion of the ivot member.

16. n combination, aV casement window adjuster comprising'a pivot member, a hub member rotatably mounted on said Ypivot member, a window operating lever projecting from said hub, means for connecting said lever with the window said hub being prolvided with a depression in each of its ends,

a screw threaded into the pivot member arranged to retain the hub upon the pivot member, said screw being provided with a head countersunk in one of saidl depressions when the adjuster is used with a right-hand window, the disposition of the hub relative to the pivot member being adapted to be reversed and the screw head being adapted to be countersunk in the` other one of said deressions when the adjuster is used with a ett-'hand window.

17. A casement window adjuster comprising a hub having a substantially uniform bore therethrough, a pivot stud, said hub being disposed upon said pivot stud, a lever extending from said hub arranged to engage a window sash, and a handle secured to said hub for rotating the latter upon the pivot stud, said pivot stud having portions of comparatively small diameteradjacent the ends of the hub and a portion of greater diameter between said ortions of small diameter.

18. In com ination, a casement window adjuster comprising a pivotmember, a .lever mounted upon said pivot member, an operating handle for said lever, and a bracket through which said lever may slide and with which it may make locking engagement, said lever being provided with notched ribs on its upper and lower sides, there being a substantially T-shaped opening in said bracket through which said lever extends, the horizontal and vertical portions of the T-shaped opening being so proportioned that when the lever is moved Within the' opening to disengage one of the ribs from the bracket, the bracket engages the lever proper before the other rib engages the bracket, thus preventing the lastmentioned rib from locking with the bracket.

19. In combination, a casement window adjuster', comprising a pivot member, a hub mounted on said pivot member, a lever extending from said hub, means for connecting said lever with the Window a stud extending radially from the middle of said hub, a notch in said hub above and below said stud, a handle having a slot, a screw extending through said slot and engaging a threaded opening extending entirely through said stud, the end of said handle resting in one of said notches when the rad- .juster is used with a right-hand window and into the other notch when the adjuster is used with a left-hand window, the said screw engaging the same opening in the stud at all times but being arranged to enter the same from either direction.

' 20. In a casement window adjuster, the combination of a strut lever adapted to be pivoted at one end to the frame of a casement window, an operating handle extending from the strut lever, a fixed member adapted to be attached to the sash of a casement window and having sliding connectio-n ywith the strut lever, means for automatically locking said ixed member to the strut lever, and means operated from said handle to disengage the locking means.

21. In a casement window adjuster, the combination of a pivot stud adapted to be mounted rigidly upon `the sill of a window frame', a fixed bracket member adapted t0 be mounted rigidly upon the sash of a casement window, a main operating lever pivotally mounted upon said pivot stud, automatic locking mechanism for locking 4the main operating lever to the bracket member at different points along the length of the lever, and an operating handle independent of the main operating lever and of said fixed bracket member for swinging said operating lever-and for disengaging the said automatic locking mechanism.

22. In a casement Window adjuster the combination of an arm adapted to be pivotally connected to the frame of a casement window, an operating lever connected to said arm at its pivotal point, a fixed member adapted to be attached to the sash of a casement window and having sliding conthe sash .of a easement window land havin sliding connection with the strut lever, an means for locking said fixed' member to the strut lever, said locking means being op- 15 erated by said handle.

In witness whereof, I hereunto subscribe my name this 7th day of July, A. D., 1913.

v ROBERT C. SPENCER, JR. Witnesses: y

LEONARD W. NOVANDER, LESLIE W. FRICKE. 

